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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
+10.07%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$31.8B
AUM Growth
+$2.49B
Cap. Flow
+$139M
Cap. Flow %
0.44%
Top 10 Hldgs %
23.43%
Holding
1,869
New
90
Increased
714
Reduced
722
Closed
82

Top Buys

Rank Stock Value
1
UBER icon
Uber
UBER
+$24.2M
2
IOT icon
Samsara
IOT
+$23.9M
3
PRCT icon
Procept Biorobotics
PRCT
+$20.5M
4
ISRG icon
Intuitive Surgical
ISRG
+$19.9M
5
AMZN icon
Amazon
AMZN
+$19.4M

Top Sells

Rank Stock Value
1
SPLK
Splunk Inc
SPLK
+$67.1M
2
MA icon
Mastercard
MA
+$65.4M
3
AON icon
Aon
AON
+$40.3M
4
FLYW icon
Flywire
FLYW
+$25.7M
5
DV icon
DoubleVerify
DV
+$19.5M

Sector Composition

Rank Sector Weight
1 Technology 25.75%
2 Healthcare 17.03%
3 Financials 12.35%
4 Industrials 11.88%
5 Consumer Discretionary 8.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
RCL icon
276
Royal Caribbean
RCL
$82.4B
$14.2M 0.04%
102,133
+27,819
+37% +$3.47M
EFG icon
277
iShares MSCI EAFE Growth ETF
EFG
$17.4B
$14.2M 0.04%
136,710
+3,667
+3% +$365K
ASML icon
278
ASML
ASML
$695B
$14M 0.04%
14,470
-52
-0.4% -$46.1K
SMH icon
279
VanEck Semiconductor ETF
SMH
$72B
$13.9M 0.04%
61,689
+6,009
+11% +$1.21M
PDEC icon
280
Innovator US Equity Power Buffer ETF December
PDEC
$997M
$13.9M 0.04%
378,698
-364
-0.1% -$13K
KNSL icon
281
Kinsale Capital Group
KNSL
$8.51B
$13.8M 0.04%
26,349
-1,450
-5% -$655K
PH icon
282
Parker-Hannifin
PH
$135B
$13.8M 0.04%
24,766
-63
-0.3% -$32K
WCN
283
Waste Connections
WCN
$41.6B
$13.7M 0.04%
79,899
-2,113
-3% -$340K
SHW icon
284
Sherwin-Williams
SHW
$87.4B
$13.6M 0.04%
39,153
-525
-1% -$167K
DOV icon
285
Dover
DOV
$28B
$13.6M 0.04%
76,724
+425
+0.6% +$68.4K
TMDX icon
286
Transmedics
TMDX
$3.02B
$13.6M 0.04%
183,524
+24,417
+15% +$2.01M
STKL
287
DELISTED
SunOpta
STKL
$13.5M 0.04%
1,971,345
+857,603
+77% +$5.3M
PLMR icon
288
Palomar
PLMR
$3.36B
$13.5M 0.04%
160,973
+5,189
+3% +$356K
DIA icon
289
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$48.2B
$13.2M 0.04%
33,259
-6,980
-17% -$2.69M
PM icon
290
Philip Morris
PM
$290B
$13M 0.04%
141,836
-7,893
-5% -$728K
IAU icon
291
iShares Gold Trust
IAU
$65.4B
$13M 0.04%
309,042
+35,164
+13% +$1.38M
VRRM icon
292
Verra Mobility
VRRM
$714M
$12.9M 0.04%
517,248
-47,161
-8% -$1.07M
KRNT icon
293
Kornit Digital
KRNT
$817M
$12.7M 0.04%
701,229
-31,495
-4% -$552K
AGCO icon
294
AGCO
AGCO
$7.11B
$12.6M 0.04%
102,800
-3,613
-3% -$421K
BJ icon
295
BJs Wholesale Club
BJ
$11.8B
$12.6M 0.04%
167,073
-3,615
-2% -$252K
WM icon
296
Waste Management
WM
$90.5B
$12.5M 0.04%
58,733
+1,920
+3% +$377K
SMAR
297
DELISTED
Smartsheet Inc.
SMAR
$12.3M 0.04%
320,705
-2,882
-0.9% -$126K
APP icon
298
Applovin
APP
$102B
$12.3M 0.04%
178,070
+29,894
+20% +$1.58M
MDT icon
299
Medtronic
MDT
$116B
$12.2M 0.04%
139,827
+8,513
+6% +$727K
NSC icon
300
Norfolk Southern
NSC
$75.3B
$12.1M 0.04%
47,459
+1,431
+3% +$354K
10 11
12
13 14

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William Blair & Company's Q1 2024 Portfolio in Review

As of Q1 2024, William Blair & Company held 1,869 positions worth $31.8B, up 8.5% from $29.3B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

William Blair & Company's Q1 2024 filing shows 90 new, 714 increased, 722 reduced and 82 closed positions. Its largest new stake was Procept Biorobotics: 429,793 shares worth $21.2M. The largest sale was Splunk Inc, an estimated $67.1M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2024 buy was Procept Biorobotics: 429,793 shares worth $21.2M.
  • William Blair & Company added most to Uber in Q1 2024, an estimated $24.2M increase.
  • William Blair & Company's biggest Q1 2024 reduction was Mastercard, cutting an estimated $65.4M.
  • William Blair & Company fully exited Splunk Inc in Q1 2024, selling an estimated $67.1M.
  • William Blair & Company's ten largest holdings make up 23% of its $31.8B portfolio in Q1 2024.
  • William Blair & Company opened 90 new positions and closed 82 in Q1 2024.
  • William Blair & Company's portfolio value rose 8.5% quarter-over-quarter to $31.8B.

Based on William Blair & Company's 13F filing for Q1 2024, filed 9 May 2024.